The Kansas City Chiefs have re-signed LB Cory Greenwood to a four-year contract. The contract will see Greenwood make a base salary of approximately $500,000 if he's on the roster in 2012. The contract also includes a signing bonus of $25,000 and another $20,000 each season if he shows up for certain offseason workouts. Greenwood's base salary can increase to a maximum of $745,000 in 2015.